(1+2x)=8
2
2007-12-06 17:17:07 · 5 answers · asked by Alexis O 1 in Science & Mathematics ➔ Mathematics
1 + 2x = 16
2x = 15
x = 15/2
x = 7 ½
2007-12-07 02:14:19 · answer #1 · answered by Como 7 · 3⤊ 0⤋
lol are you kidding?
well first im not sure weather its 8 or 82 so ill do both
(1+2x)=8
-1 -1
2x=7
/2 /2
x=3.5
(1+2x)=82
-1 -1
2x=81
/2 /2
x=41
2007-12-07 01:24:05 · answer #2 · answered by Anonymous · 0⤊ 0⤋
2 raised to (1+2x) = 2 raised to 3
1+2x = 3
2x = 3-1
2x = 2
x = 2/2
x = 1
2007-12-07 01:21:10 · answer #3 · answered by Anonymous · 0⤊ 0⤋
1+2x=82
=>2x=82-1
=>2x=81
=>x=81/2
=>x=40.5 is the answer
2007-12-07 01:31:07 · answer #4 · answered by adi 1 · 0⤊ 1⤋
x = 3.5. for 1+2x=8
why is there a two below it?
2007-12-07 01:20:49 · answer #5 · answered by jessie 3 · 0⤊ 1⤋